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Three blocks with indicated weights are connected by light and inextensible strings as shown below. The pulley and the inclined plane are frictionless. Find

Three blocks with indicated weights are connected by light and inextensible strings as shown below. The pulley and the inclined plane are frictionless. Find the ratio of the tensions P, Q, and R. 4:4:1 4:2:1 O 4:3:1 O 1:1:1 30 8 N P Q 6 N R 2 N 30

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